China ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Girman 1 / 2-13 masana'antun da masu kaya |Hongji

ASME B18.2.1 UNC Hex Bolt Grade 5 Bakin Oxide Inci Girman 1/2-13 Filayen Hoto

ASME B18.2.1 UNC Hex Bolt Matsayi 5 Girman Inci Oxide 1/2-13

Takaitaccen Bayani:

Matsayi: ASME B18.2.1

Sunan samfur: UNC Hex Head Bolt Black Oxide

Mahimman kalmomi: ASME B18.2.1, UNC, A307

Girman: 1/4 ″-2″

Abu: 10B21, 35K, 45# karfe

Matsayin Qarfi: Darasi na 5, Darasi na 8

Jiyya na Surface: Black Oxide

Tsawon Zaren: Cikakkun Zaren/Rabin Zaren

Nau'in Zaren: M / Fine

Shiryawa: Carton/Pallet

Wasu Fasaloli: Bada alamar kai na musamman

Aika mana imel

Cikakken Bayani

Tags samfurin

Bayani

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10000+ SKU a cikin sito

Mun ƙaddamar da abubuwan RTS:

70% abubuwan da aka kawo cikin kwanaki 5

80% abubuwan da aka kawo cikin kwanaki 7

90% abubuwan da aka kawocikin kwanaki 10

Babban umarni, da fatan za a tuntuɓi sabis na abokin ciniki

Da fatan za a tuntuɓe mu don ƙarin bayani, kamar nauyin nauyi, ƙayyadaddun tattarawa, jerin farashin, da sauransu.

Dia/d		1/4	5/16	3/8	7/16	1/2	5/8	3/4	7/8	1	1-1/8	1-1/4	1-3/8	1-1/2
PP	UNC	20	18	16	14	13	11	10	9	8	7	7	6	6
	UNF	28	24	24	20	20	18	16	14	12	12	12	12	12
	8-UN	-	-	-	-	-	-	-	-	-	8	8	8	8
d_s	max	0.26	0.324	0.388	0.452	0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404	1.531
d_s	min	0.237	0.298	0.36	0.421	0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345	1.47
s	max	0.438	0.5	0.562	0.625	0.75	0.938	1.125	1.312	1.5	1.688	1.875	2.062	2.25
s	min	0.425	0.484	0.544	0.603	0.725	0.906	1.088	1.269	1.45	1.631	1.812	1.994	2.175
e	max	0.505	0.577	0.65	0.722	0.866	1.083	1.299	1.516	1.732	1.949	2.165	2.382	2.598
e	min	0.484	0.552	0.62	0.687	0.826	1.033	1.24	1.447	1.653	1.859	2.066	2.273	2.48
k	max	0.188	0.235	0.268	0.316	0.364	0.444	0.524	0.604	0.7	0.78	0.876	0.94	1.036
k	min	0.15	0.195	0.226	0.272	0.302	0.378	0.455	0.531	0.591	0.658	0.749	0.81	0.902
r	max	0.03	0.03	0.03	0.03	0.03	0.06	0.06	0.06	0.09	0.09	0.09	0.09	0.09
r	min	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.03	0.03	0.03	0.03	0.03
b	L≤6	0.75	0.875	1	1.125	1.25	1.5	1.75	2	2.25	2.5	2.75	3	3.25
b	L：6	1	1.125	1.25	1.375	1.5	1.75	2	2.25	2.5	2.75	3	3.25	3.5

Dia/d		1-5/8	1-3/4	1-7/8	2	2-1/4	2-1/2	2-3/4	3	3-1/4	3-1/2	3-3/4	4
PP	UNC	-	5	-	4-1/2	4-1/2	4	4	4	4	4	4	4
	UNF	-	-	-	-	-	-	-	-	-	-	-	-
	8-UN	8	8	8	8	8	8	8	8	8	8	8	8
d_s	max	1.658	1.785	1.912	2.039	2.305	2.559	2.827	3.081	3.335	3.589	3.858	4.111
d_s	min	1.591	1.716	1.839	1.964	2.214	2.461	2.711	2.961	3.21	3.461	3.726	3.975
s	max	2.438	2.625	2.812	3	3.375	3.75	4.125	4.5	4.875	5.25	5.625	6
s	min	2.356	2.538	2.719	2.9	3.262	3.625	3.988	4.35	4.712	5.075	5.437	5.8
e	max	2.815	3.031	3.248	3.464	3.897	4.33	4.763	5.196	5.629	6.062	6.495	6.928
e	min	2.616	2.893	3.099	3.306	3.719	4.133	4.546	4.959	5.372	5.786	6.198	6.612
k	max	1.116	1.196	1.276	1.388	1.548	1.708	1.869	2.06	2.251	2.38	2.572	2.764
k	min	0.978	1.054	1.13	1.175	1.327	1.479	1.632	1.815	1.936	2.057	2.241	2.424
r	max	0.09	0.12	0.12	0.12	0.19	0.19	0.19	0.19	0.19	0.19	0.19	0.19
r	min	0.03	0.04	0.04	0.04	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.06
b	L≤6	3.5	3.75	4	4.25	4.75	5.25	5.75	6.25	6.75	7.25	7.75	8.25
b	L：6	3.75	4	4.25	4.5	5	5.5	6	6.5	7	7.5	8	8.5

Zane daki-daki

Menene ma'anar "UNC"?

UNC tana nufin babban zaren da ke cikin jerin dunƙulewar Majalisar Dinkin Duniya na Amurka (radius tushen zaren waje na zaɓi).

Menene maganin saman Black Oxide?

Black oxide, hanya ce ta gama gari ta maganin saman sinadarai.Black oxide hanya ce ta gama gari ta maganin saman sinadarai.Ka'idar ita ce samar da fim din oxide a saman karfe don ware iska da kuma cimma manufar rigakafin tsatsa.Lokacin da buƙatun bayyanar ba su da yawa, ana iya amfani da baƙar fata, kuma saman sassan ƙarfe yana baƙar fata, wanda kuma ake kira shuɗi.

Hanyoyin da ake amfani da su na maganin baƙin ƙarfe oxide sun haɗa da baƙar fata na al'ada na al'ada na al'ada da kuma baƙar da zafin jiki wanda ke faruwa daga baya.Duk da haka, tsarin baƙar fata a dakin da zafin jiki ba shi da tasiri sosai ga ƙananan ƙarfe na carbon.Bakin alkaline ya rabu, kuma akwai bambanci tsakanin baki sau daya da yin baki sau biyu.Babban abubuwan da ke haifar da baƙar fata shine sodium hydroxide da sodium nitrite.Bambancin yanayin zafi da ake buƙata don baƙar fata ba shi da girma, kuma ana iya samun wuri mai kyau tsakanin 135-155 ° C, amma lokacin da ake buƙata yana ɗan tsayi kaɗan.